Home / 130,911.12-196,379.37-52,007.67

Finding the Fourth Proportional to 130,911.12, 196,379.37 and 52,007.67

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Solution

The fourth proportional to 130,911.12, 196,379.37 and 52,007.67 is: 78,016.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,911.12 : 196,379.37 = 52,007.67 : x
  2. Step 2: Convert to fraction form
    130,911.12/196,379.37 = 52,007.67/x
  3. Step 3: Cross multiply
    130,911.12x = 196,379.37 × 52,007.67
  4. Step 4: Simplify right side
    130,911.12x = 10,213,233,469.77
  5. Step 5: Solve for x
    x = 10,213,233,469.77/130,911.12
  6. Step 6: Final answer
    x = 78,016.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.